Microcontroller and Embedded Systems - May 2016

Information Technology (Semester 5)

TOTAL MARKS: 80
TOTAL TIME: 3 HOURS (1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Assume data if required.
(4) Figures to the right indicate full marks. 1(a) Describe the features of Arm? Processor.(5 marks) 1(b) What is embedded systems and explain SoC in detail.(5 marks) 1(c) Compare SJMP, AJMP and LJMP instruction of 8051 microcotroller.(5 marks) 1(d) 8051 microcontroller with XTAL frequency = 11.0592 MHZ, find the TH1 value needed to have the following baud rates (i) 9600 (ii) 2400 (iii) 1200(5 marks) 2(a) Explain addressing modes of ARM 7 processor.(10 marks) 2(b) Explain the Timer/Counter modes of 8051 microcontroller.(10 marks) 3(a) Explain in detail ARM 7 pipelining.(10 marks) 3(b) Explain various serial modes of 8051 microcontroller.(10 marks) 4(a) Explain priority inversion problem in Embedded system. How does it is resolved?(10 marks) 4(b) Write an assembly language program for 8051 microcontroller to arrange block of ten numbers in ascending order.(10 marks) 5(a) Write an assembly language to generate square wave of 2 Khz at pin P1.1 using 8051. Assume 8051 operating frequency 12 Mhz.(10 marks) 5(b) Explain CPSR register of Arm 7 processor.(10 marks) 6(a) Explain detailed programmer's model f ARM 7.(10 marks) 6(b) Explain automated meter reading system in detail.(10 marks)